Meaning of the word "priority mail" in English

What does "priority mail" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

priority mail

US /praɪˈɔːr.ə.ti meɪl/
UK /praɪˈɒr.ə.ti meɪl/

Noun

a postal service that provides faster delivery of mail and packages for an additional fee

Example:
I sent the urgent documents by priority mail to ensure they arrived on time.
The shipping cost for priority mail is higher than standard shipping.